Please use this identifier to cite or link to this item: http://repository.vnu.edu.vn/handle/VNU_123/26166
Title: Non-linear axisymmetric response of functionally graded shallow spherical shells under uniform external pressure including temperature effects
Authors: Dao, Huy Bich
Hoang, Van Tung
Keywords: Nonlinear response;Functionally graded materials;Imperfection;Temperature effects;Shallow spherical shells
Issue Date: 2011
Publisher: PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Citation: ISIKNOWLEDGE
Abstract: This paper presents an analytical approach to investigate the non-linear axisymmetric response of functionally graded shallow spherical shells subjected to uniform external pressure incorporating the effects of temperature. Material properties are assumed to be temperature-independent, and graded in the thickness direction according to a simple power law distribution in terms of the volume fractions of constituents. Equilibrium and compatibility equations for shallow spherical shells are derived by using the classical shell theory and specialized for axisymmetric deformation with both geometrical non-linearity and initial geometrical imperfection are taken into consideration. One-term deflection mode is assumed and explicit expressions of buckling loads and load–deflection curves are determined due to Galerkin method. Stability analysis for a clamped spherical shell shows the effects of material and geometric parameters, edge restraint and temperature conditions, and imperfection on the behavior of the shells
Description: TNS05962 ; INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS Volume: 46 Issue: 9 Pages: 1195-1204
URI: http://repository.vnu.edu.vn/handle/VNU_123/26166
http://www.sciencedirect.com/science/article/pii/S0020746211001429
ISSN: 0020-7462
Appears in Collections:Bài báo của ĐHQGHN trong Web of Science

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